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511334125 = 534090673
BaseRepresentation
bin11110011110100…
…101011011101101
31022122011110112221
4132132211123231
52021400143000
6122423355341
715446161021
oct3636453355
91278143487
10511334125
112426a8995
121232b2b51
1381c22c93
144bca6381
152ed5661a
hex1e7a56ed

511334125 has 8 divisors (see below), whose sum is σ = 638145144. Its totient is φ = 409067200.

The previous prime is 511334107. The next prime is 511334129. The reversal of 511334125 is 521433115.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33212169 + 478121956 = 5763^2 + 21866^2 .

It is not a de Polignac number, because 511334125 - 219 = 510809837 is a prime.

It is a super-2 number, since 2×5113341252 = 522925174779031250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 511334125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511334129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2045212 + ... + 2045461.

It is an arithmetic number, because the mean of its divisors is an integer number (79768143).

Almost surely, 2511334125 is an apocalyptic number.

It is an amenable number.

511334125 is a deficient number, since it is larger than the sum of its proper divisors (126811019).

511334125 is an equidigital number, since it uses as much as digits as its factorization.

511334125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4090688 (or 4090678 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 511334125 is about 22612.6983131160. The cubic root of 511334125 is about 799.6530396491.

The spelling of 511334125 in words is "five hundred eleven million, three hundred thirty-four thousand, one hundred twenty-five".

Divisors: 1 5 25 125 4090673 20453365 102266825 511334125